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System Cleanup

All-in-One Cleaner

• 1Tap Cleaner (clear cache) (4.6@148,996) Ǥ 21 3 / 1Tap Cleaner Pro (clear cache) (4.6@8,777; ~EUR 4.00) Ǥ 13 1
• CCleaner – Phone Cleaner (4.5@2,871,099) Ǥ 34 12 Datenschutz-Test 8/2020:
• Norton Clean, Junk Removal (4.5@229,366) Ǥ 35 2
• Clean History - Optimize (4.4@127,401) 8 6 LastUpdate: 2020-12-24
• Droid Optimizer (4.2@61,755) Ǥ 23 2 LastUpdate: 2022-10-31
• Cleaner (4.2@20,125) 7 1 LastUpdate: 2017-11-14
• WashAndGo Mobile Cleaner (4@1,421) Ǥ 10 4 LastUpdate: 2020-04-07
• History Eraser - Privacy Clean (3.8@208,870) Ǥ 12 12 LastUpdate: 2020-03-11 / History Eraser Pro (4.3@19) 9 3 LastUpdate: 2022-04-05
• Glary Utilities (3.8@9,509) 31 LastUpdate: 2020-02-18
• Assistant for Android (3.5@303,213) 26 2 incl. system info, process info, power saver

History Cleaner

This is more about privacy than freeing up space.

Cache Cleaner

Here the focus is to reclaim space. Note: if you are on Android 6.0 or newer, you don't need an extra app to clean caches. Go to Settings › Storage & USB › Internal storage and click on Cached data in order to clear all the cache.

• Clean Cache (4.4@11,985) Ǥ 11 1 LastUpdate: 2018-01-12
• App Cache Cleaner (4.3@210,231) 7 10 LastUpdate: 2018-12-11
• Cache Cleaner Pro (4.2@3,917) 8 3 LastUpdate: 2022-06-29
• SLW Cache Cleaner Widget (4.2@2,125) 2 LastUpdate: 2013-01-04
• Smart Cleaner (4.1@1,261) Ǥ 8 3 LastUpdate: 2019-04-05
• Cache Cleaner (3.7@5,870) 4 LastUpdate: 2017-04-04 Github
• Cache Cleaner (0@0) 5 Github

Other System Cleaner

• Simple Cleanup (5@1) 2 LastUpdate: 2019-06-14 Github
• AVG Cleaner – Storage Cleaner (4.6@1,854,299) Ǥ 38 12 no idea what for it needs change network, access accounts, send SMS … is that where the cleaned data go to?
• Avast Cleanup – Phone Cleaner (4.6@1,421,597) Ǥ 35 12 According to the permissions, it also cleans the insides of your network cables, your kitchen, and a few other things… and posts its findings on Facebook. Or something like that…
• SD Maid 2/SE - System Cleaner (4.5@4,319) 17 / SD Maid 1 - System Cleaner (4.3@286,343) Ǥ 23 1 / SD Maid 1 Pro - Unlocker (4.1@32,751; ~EUR 4.00) Ǥ 1 LastUpdate: 2023-09-09 Github / Review 3/2017; Video Review 6/2017; Wiki; Github; root required to unleash full potential
• SystemCleanup (4.3@3,694) 3 LastUpdate: 2017-06-14
• LTE Cleaner (FOSS) (4.2@799) 4 3 LastUpdate: 2021-12-05 Github
• Empty Files & Folders Cleaner PRO (3.4@416; ~EUR 2.25) Ǥ 3 LastUpdate: 2020-12-25 Video Intro 8/2019